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| author | Alan <alan@lxorguk.ukuu.org.uk> | 2006-11-27 16:16:35 +0000 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-12-01 22:46:53 -0500 |
| commit | 38e0d56e67849720d306e2d7cd1a2793deec9644 (patch) | |
| tree | b5e265251bebb97cb4a0af9f2dbcbff656444358 /drivers/ata | |
| parent | 7f72a379146913dc5f2751383722cdedb8998bc9 (diff) | |
| download | blackbird-obmc-linux-38e0d56e67849720d306e2d7cd1a2793deec9644.tar.gz blackbird-obmc-linux-38e0d56e67849720d306e2d7cd1a2793deec9644.zip | |
[PATCH] pata_serverworks suspend/resume
The Serverworks chips need various fixups doing on a resume from RAM.
Conveniently the needed functions were already split out ready for re-use
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata')
| -rw-r--r-- | drivers/ata/pata_serverworks.c | 32 |
1 files changed, 30 insertions, 2 deletions
diff --git a/drivers/ata/pata_serverworks.c b/drivers/ata/pata_serverworks.c index be7f60efcb61..0fa803e6399c 100644 --- a/drivers/ata/pata_serverworks.c +++ b/drivers/ata/pata_serverworks.c @@ -41,7 +41,7 @@ #include <linux/libata.h> #define DRV_NAME "pata_serverworks" -#define DRV_VERSION "0.3.7" +#define DRV_VERSION "0.3.9" #define SVWKS_CSB5_REVISION_NEW 0x92 /* min PCI_REVISION_ID for UDMA5 (A2.0) */ #define SVWKS_CSB6_REVISION 0xa0 /* min PCI_REVISION_ID for UDMA4 (A1.0) */ @@ -327,6 +327,8 @@ static struct scsi_host_template serverworks_sht = { .slave_configure = ata_scsi_slave_config, .slave_destroy = ata_scsi_slave_destroy, .bios_param = ata_std_bios_param, + .resume = ata_scsi_device_resume, + .suspend = ata_scsi_device_suspend, }; static struct ata_port_operations serverworks_osb4_port_ops = { @@ -554,6 +556,30 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id return ata_pci_init_one(pdev, port_info, ports); } +static int serverworks_reinit_one(struct pci_dev *pdev) +{ + /* Force master latency timer to 64 PCI clocks */ + pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x40); + + switch (pdev->device) + { + case PCI_DEVICE_ID_SERVERWORKS_OSB4IDE: + serverworks_fixup_osb4(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_CSB5IDE: + ata_pci_clear_simplex(pdev); + /* fall through */ + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE: + case PCI_DEVICE_ID_SERVERWORKS_CSB6IDE2: + serverworks_fixup_csb(pdev); + break; + case PCI_DEVICE_ID_SERVERWORKS_HT1000IDE: + serverworks_fixup_ht1000(pdev); + break; + } + return ata_pci_device_resume(pdev); +} + static const struct pci_device_id serverworks[] = { { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_OSB4IDE), 0}, { PCI_VDEVICE(SERVERWORKS, PCI_DEVICE_ID_SERVERWORKS_CSB5IDE), 2}, @@ -568,7 +594,9 @@ static struct pci_driver serverworks_pci_driver = { .name = DRV_NAME, .id_table = serverworks, .probe = serverworks_init_one, - .remove = ata_pci_remove_one + .remove = ata_pci_remove_one, + .suspend = ata_pci_device_suspend, + .resume = serverworks_reinit_one, }; static int __init serverworks_init(void) |
